>>reporter: the sites where certain president bashar al-assad stores and maintains the stockpiles of chemical weapons and their related components are broadly speaking, known to american intelligence agencies much the step up movement at the locations was first reported by "new york times" and senior officials confirmed it to fox news and added "we don't know if the scenes plan to use them but there are troubling signs." the real fear on the part of the obama white house specifically is that assad, having failed to stop the two year uprising using conventional military means and having killed an estimated 40,000 people in the process, could now turn to weapons of mass destruction. >>shepard: a valid concern according to the monitors but a problem is the weapons are dangerous for more than just the assad >>reporter: the syrian force whose have access to the weapons and weapons components have the benefit of advanced training monday handling them properly. the czech republic represents interests in syria since we evacuated our embassy, and the czech foreign minister who hosted hillary